Home / 40,193.20-60,255.78-15,219.48

Finding the Fourth Proportional to 40,193.20, 60,255.78 and 15,219.48

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Solution

The fourth proportional to 40,193.20, 60,255.78 and 15,219.48 is: 22,816.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,193.20 : 60,255.78 = 15,219.48 : x
  2. Step 2: Convert to fraction form
    40,193.20/60,255.78 = 15,219.48/x
  3. Step 3: Cross multiply
    40,193.20x = 60,255.78 × 15,219.48
  4. Step 4: Simplify right side
    40,193.20x = 917,061,789.23
  5. Step 5: Solve for x
    x = 917,061,789.23/40,193.20
  6. Step 6: Final answer
    x = 22,816.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.